EP2382389B1 - Entfernbare offshore-windturbinen mit vorinstalliertem festmachsystem - Google Patents

Entfernbare offshore-windturbinen mit vorinstalliertem festmachsystem Download PDF

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Publication number
EP2382389B1
EP2382389B1 EP09775346.1A EP09775346A EP2382389B1 EP 2382389 B1 EP2382389 B1 EP 2382389B1 EP 09775346 A EP09775346 A EP 09775346A EP 2382389 B1 EP2382389 B1 EP 2382389B1
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EP
European Patent Office
Prior art keywords
floating
open structure
cable
energy generating
generating device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09775346.1A
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English (en)
French (fr)
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EP2382389A2 (de
Inventor
Sophie Boureau
Hein Wille
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Single Buoy Moorings Inc
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Single Buoy Moorings Inc
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Priority to EP09775346.1A priority Critical patent/EP2382389B1/de
Publication of EP2382389A2 publication Critical patent/EP2382389A2/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/80—Arrangement of components within nacelles or towers
    • F03D80/82—Arrangement of components within nacelles or towers of electrical components
    • F03D80/85—Cabling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines

Definitions

  • the invention relates to a floating wind energy generating device comprising at least two wind turbines mounted on a floating open structure, each of said at least two wind turbines featuring a blade and rotor part mounted at the top of a tower, said floating open structure being moored to the seabed with a mooring system and connected to a single high voltage power export cable for exporting the electricity generated by the at least two windmills.
  • a typical state-of-the-art solution for securing offshore wind turbines was to place them on special foundations, which are either lowered onto the sea floor or forced into the seabed.
  • current offshore wind industry practice is to erect large wind turbines designed for onshore use, under complex maritime conditions offshore with the aid of a dedicated jack-up barge aimed at creating a stable working platform for the operations offshore.
  • the currently used dedicated installation equipment poses a risk of major delays in installation works, for example when the jack-up barge encounters a breakdown.
  • the non-floating offshore wind turbine concepts point to a series of disadvantages such as commissioning, repair and maintenance of the wind turbines which needs to be carried out offshore.
  • Another key issue is the substantial risk of extended installation downtime during high winds. Under these conditions dynamic turbine loads are at maximum, yields most favorable, and simultaneously the implications of a breakdown are most severe due to difficult turbine access. Decommissioning and compulsory removal of permanent foundations at the end of a wind farm's operational service life is also widely considered to be an underestimated cost associated with fixed offshore wind turbines, for which substantial sums must be set aside.
  • Floating offshore wind turbines can be installed at sites with much greater water depths, out of sight from onshore, with less interference with bird migration, and increased power production due to stronger and more stable wind conditions.
  • the floating concept might enable the use of conventional, non-dedicated tugboats, which are readily available in any market. This limits possible downtime to a minimum. It is therefore an object of the present invention to propose a floating wind turbines system.
  • Prior art patent application W02006/121337 discloses a floating wind turbine installation for one floating wind turbine, comprising a long, submerged floating concrete cylinder that is ballasted.
  • the individual anchor lines are each, at a certain distance from the floating cylinder at a fixing point on the individual anchor line, connected with double lines connected to the floating cylinder in a delta-shaped arrangement.
  • This configuration is hence limited to single wind turbines for deep waters as this prominent feature, the ballasted concrete cylinder, makes the design unsuitable for shallower waters.
  • the present invention proposes a system that is suitable for multiple wind turbines for deep and shallower waters.
  • Patent application US2008089746 discloses a floating platform for a single wind turbine that can be installed in shallow or deep waters.
  • the platform is fixed in position using strong chains linked to heavy weights on the seabed. By changing the length of the chains, it can be installed at very different depths.
  • the platform comprises a steel structure with six interconnected hollow steel pipes providing the necessary buoyancy required during sea transport, as well as during offshore operation.
  • the wind turbine itself is located on a tubular steel tower on the platform. Once the platform with the fully assembled turbine has arrived at its destination, the assembly is temporarily ballasted. This extra ballast forces the platform down into the water and creates the free play necessary to hook the six chains attached to the counterweight to the platform. When the extra ballast is removed, buoyancy creates upward force whereby the chains get tensioned in order to provide some stability. In this configuration, the necessary buoyancy required for sea transportation is integrated in the platform for one single wind turbine.
  • Norwegian engineering consultancy company Force Technology has developed an offshore wind unmanned floating structure which is self-orientating towards the wind and, accommodates three wind turbines mounted at each corner of a floating triangular lattice-type welded steel foundation structure.
  • the foundation structure is anchored to the seabed and can rotate as the wind changes direction.
  • wind turbines are too near one from the other and even if one is higher than the other, their efficiency will be limited and not optimal.
  • Patent US6294844 discloses a weathervaning wind energy converter comprising wind turbines which are mounted in a frame provided with floating bodies and supporting means which are disposed some distance away from the plane of the wind turbines to keep it substantially vertically oriented.
  • this overall costly and high construction with long blades has an very high center of gravity which results in unstable behavior of the floating system in rough weather conditions.
  • Patent application WO02/073032 discloses an offshore floating wind power generation plant with single point mooring system fixing a floater to the sea floor, one or several wind power generation unit being placed on the floater.
  • the float is always directed at a constant orientation to the wind, the plant being horizontally rotatable about the mooring point.
  • the fatigue and stress applied on the electrical cable are important, as even if the structure is quite stable, the movement of the structure due to the wave and wind will have a large fatigue effect on the cable, especially at the connection point.
  • DE-A-3 224 976 discloses a mooring system of a wind energy converten including an electrical swivel.
  • the present invention provides a floating energy generating device in accordance with claim 1.
  • the present invention also provides an installation method for an offshore floating wind energy generating device according to claim 12.
  • the present invention further provides a cost effective solution for a wind energy converter system that ensures sufficient overall stability during sea transport.
  • the use of multi smaller-scale offshore wind turbines is also a way to increase the production. Even if having more wind turbines can imply to have more often maintenance and reparation, these operations become far less costly. In fact, the production does not have to be stopped for the change -out of one wind turbine. Also the transport at sea is much easier as compared with a floater for a very big turbine, as several smaller ones provide for a center of gravity of the floater which is much lower than the center of gravity of one very large floating windmill. Hence the stability during transport and during operation is enhanced. The stability during transport can be enhanced by lowering even more the center of gravity, by ballasting the support structure, by the use of vertical axis windmills, or in the case of horizontal axis wind turbines, to transport them without the rotor and blades.
  • FIGS 1 to 3 show similar offshore wind energy converters.
  • a floating open structure 1 supports three wind turbines 2, each wind turbines featuring a blade and rotor part 3 mounted at the top of a tower 4.
  • the wind turbines 2 in this particular configuration are vertical axis windmills.
  • the floating open structure 1 is an elongated floating body, the wind turbines 2 being mounted along the longitudinal axis of the floating open structure 1.
  • the floating open structure 1 comprises a frame, made of horizontal and vertical hollow parts 5a, 5b and 5c. These hollow parts provide the necessary buoyancy required for stability during sea transport, as well as during offshore operation. Some of the hollow parts can be ballastable with seawater so to adjust the buoyancy of floating open structure.
  • the floating open structure 1 is connected to a single submerged high voltage power export cable 7 for collecting the power generated by the wind turbines and transforming the power before exporting the electricity generated by the wind turbines 2 via the power export line.
  • the export cable 7 is connected to the floating open structure 1 via a single control power electronic unit 8.
  • the floating open structure 1 is moored to the seabed with catenary mooring lines 6 attached at both extremities of the longitudinal axis of the floating open structure 1.
  • the horizontal upper hollow part 5b provides a platform enabling personnel to circulate and have an easy access to the wind turbines towers and the control power electronic unit for inspection, maintenance, etc.
  • the vertical axis wind turbines are retractable (or foldable, not shown) and shown in different states: a completely retracted state 9a, an intermediate opening state 9b and a completely open state 9c.
  • the floating open structure 1 comprises a lighter frame than the one shown in Figure 1 . It has tubes 10a interconnecting horizontal upper and lower tubes 10b and 10c with horizontal tubes 10d which are arranged at right angles to the longitudinal axis of the floating unit 1.
  • the floating open structure 1 is moored to the seabed with tensioned mooring lines or tendons 6 attached at both extremities of the longitudinal ends of the floating open structure 1. In this operative and moored configuration, the center of gravity can be low and can be under, at or even above the center of buoyancy.
  • the access 11 by personnel to the wind turbines for maintenance and inspection is provided on each tower part 4 and the single control power electronic unit is integrated in one of the wind turbines tower 4.
  • the floating open structure 1 is also moored to the seabed with tensioned mooring lines or tendons 6 attached at the corners of the floating open structure 1.
  • the floating open structure 1 supports a submerged wave power generating system 12 composed of submerged pivoting panels 13 that collects energy from passing wave pressure fronts by tilting or rotating motion within the frame formed by interconnecting tubes 10a, 10b and 10c.
  • the power produced is exported to the single control power electronic unit 8 that collects also the electricity produced by the wind turbines 2.
  • the produced electricity is then being transferred to users and/or to shore via an export cable 7.
  • FIG. 4 shows for example a side view of a wind energy converter according to the present invention.
  • Two catenary mooring lines 6a and 6b are attached to the shown extremity of the floating open structure 1.
  • the export electricity cable 7 has a "lazy S" configuration as it extends toward the sea bottom via an intermediate buoy 15 which is anchored to the seabed. From the intermediate buoy 15 the export cable 7 stretches in a gentle curve toward the sea bottom 16. This configuration enables to decouple the part of the electricity cable 7 that lies on or into the seabed from the movement of the floating open structure 1 due to waves and wind.
  • FIG. 4a Another option to reduce the electricity cable 7 fatigue is shown in Fig 4a representing a detail of Fig 4 , Fig 5 or Fig 6 .
  • the connection point C between the submerged electricity cable 7 and the onboard cable leading to the power electronic unit 8 on the floating structure 1 represents a important point submitted to a lot of stress and fatigue.
  • the floating open structure 1 even if very stable, moves around its mean design position due to surge, sway and heave and changes its angular orientation with regard to its mean position as well, due to pitch, roll and yaw. This is why the said relative angular floating unit/electricity cable offsets can result in high bending loads and stress while the transitional and combined translational and angular offsets can result in high variations in the effective tensions at the cable hang-offs.
  • the cable itself could have multi-spool design or can be guided through a tube which has a multi-spool shape.
  • the spools S can form continuous or segmented lines, arranged in loops and/or spirals L, so that any bending of the top part of the electricity cable 7 is transformed mostly in torsion in the spools S. If necessary a bend restrictor can be used in addition in the part of the hanging cable 7 directly under the multi-spool.
  • the wind energy converter is (semi-) taut moored to the seabed via inclined taut mooring lines 18.
  • the taut mooring lines 18 are composed of cable (steel or synthetic fibers) for the major part of the water column and is provided with a heavy chain 19 near the sea bed.
  • the anchors 17 used can be of different type such as vertically loaded anchors, gravity anchors, suction piles, driven piles etc...
  • the wind energy converter is taut moored to the seabed via vertical taut mooring lines or tendons 20.
  • the mooring system can be provided with additional lateral catenary mooring lines 21 which reduce the lateral displacement of keep the wind energy converter due to strong winds and/or currents .
  • the anchors 17 used can be of different type such as vertically loaded anchors, gravity anchors, suction piles, driven piles etc...
  • FIG. 7 shows a detailed sectional view of the power take of the system shown in Figure 3 where the wind energy converter is coupled with a wave energy converter.
  • the configuration of the wind energy converter is similar to the ones described in the previous figures.
  • the detailed extremity of the floating open structure 1 is composed of cylindrical hollow elements 10a, 10c and 10d, with tensioned mooring lines 6 connected to the lower part 22 of the cylindrical elements 10a.
  • the wind energy converter is taut moored to the seabed via inclined taut mooring lines 18.
  • an easy access 11 is provided above surface water. Attached to the frame are two submerged pivoting panels 13, one on each side.
  • pivoting panels 13 are placed in a wave active depth for optimal collection of wave energy.
  • one extremity of the panels are pivotingly attached to the frame of the floating open structure 1, the other extremity being connected via a rod or cable 23 to the control mechanism or power take off system 24 located in the tower 4 of the wind turbine 2.
  • the power take off system 24 is using the extension of the cable 23 under wave loads.
  • the panels 13 will tension the cable 23, that passes via a sprocket 28, which then activates the power take off cable 25 connected to the linear generator 27.
  • the power take off system 24 can also be used as an actuator to control and optimize power production (several known control techniques may be used, such as reactive control, phase control, latching).
  • Cable 13 and power take off cable 25 can be made of stretchable synthetic material (SSM), such as electro active polymers (EAP) which generate electricity when the distance between their ends changes, as when they are stretched. Electricity produced by both the wind turbine and the wave power generator unit is transferred via the central power control unit to the electricity export cable.
  • SSM stretchable synthetic material
  • EAP electro active polymers
  • Figures 8 to 12 shows wind energy converters according to the invention that are connected via a pivoting arm to their mooring systems, each wind energy converter being able to weathervane.
  • FIG 8 shows a wind energy converter as described in Figure 4 .
  • a rigid arm connects the wind energy converter to a single floating mooring buoy 30 anchored by several mooring lines or chains 31 extending in catenary curves from the buoy 30 to the seabed.
  • the rigid arm is a rigid pivoting connecting yoke 29 that makes a mechanical connection between the floating open structure 1 and the mooring buoy 30.
  • the mooring buoy 30 in this particular embodiment is a CALM buoy type of buoy having on its rotation axis 34 a central electrical swivel 32, the stator being connected the submerged electricity export cable 33 and the rotor being via an electricity cable 7 connected to the power electronic unit 8 on the floating open structure 1.
  • FIG 9 is a top view of the embodiment shown in Figure 8 .
  • the mooring buoy 30 in this particular embodiment is provided with grouped mooring lines 31 which can be for example a 3x2, 3x3 or 3x4 mooring line arrangement. In each group there is at least one mooring line for redundancy reasons in case a mooring line breaks.
  • the electricity cable 7 is going from the control power electronic unit 8 to the central swivel 32 in the space between two groups of mooring lines.
  • the wind direction is shown by the arrow 35; all wind turbines 2 mounted on the floating open structure 1 are positioned downwind with regards to the weathervaning point 34 of the mooring system 30.
  • FIGs 10 and 11 show other embodiments for the mooring systems.
  • a pivoting rigid truss arm 39 is connecting a sea based part 37 and a sea surface part 38.
  • the rigid truss arm 39 is rotating around the central axis 36 of the sea based part 37.
  • the sea surface part 38 is connected to the floating open structure 1 of the wind energy converter via a rigid pivoting connecting yoke 29.
  • the electricity cable 7 is going from the control power electronic unit 8 to the central electrical swivel at the sea surface part 38 of the mooring system.
  • the export cable 33 is supported by the rigid truss arm 39 from the sea surface part 38 to the seabed.
  • the mooring system is also provided with lateral mooring chains 31 creating a restoring force when the floating open structure is displaced laterally.
  • Cables, chains or tubes 40 connect a sea based part mooring point 37 and a sea surface part 38.
  • the sea surface part 38 has a vertical elongated shape with connections for the lateral mooring lines 31.
  • Above water level part 38a is connected to a rigid pivoting connecting yoke 29 in a weathervaning connection point 4 on which an electrical swivel is placed.
  • Figure 12 shows an embodiment where the mooring system is a spar type system for can deep water environments.
  • the wind energy converter is via a rigid pivoting connecting yoke 29 attached to a deep draft and vertical single column floating unit 42 being taut moored to the seabed via cables 43.
  • the part of the mooring system above water level has a weathervaning connection point 41, where the rigid pivoting connecting yoke 29 is attached.
  • the floating open structure of the wind energy converter is adaptable to any kind of windmills, even if only vertical axis wind turbines were shown, the invention is not limited to the use of such windmills, upwind or downwind horizontal axis windmills, different types of wind turbines with different shape of blades or length, or type of generators, a different tower design, height can be adapted to the floating open structure according to the invention.
  • the weathervaning system can be either a semi-or fully weathervaning system.
  • the floating open structure is provided with means to lower the center of gravity and/or raise the center of buoyancy during transport, for example via ballast tanks which are ballasted during transport mode or adding temporary buoyancy elements.
  • the center of gravity of the floating open structure can be placed below the center of buoyancy which is ideal for the stability during transport at sea.
  • the overall offshore installation cost are further reduced by using for example pre-installed mooring lines, a pre-installed electricity grid, providing easy access to installation and maintenance vessels, etc.
  • Figures 13 to 14 shows different steps of the installation of a spread moored floating wind energy converter according the invention.
  • Figure 13 shows that the mooring lines of the mooring system 43 are pre-installed before the floating open structure 1 has arrived on site and before it is connected to the mooring system It represents also a situation where the open floating structure is disconnected from the mooring system and towed to shore for maintenance and repair purposes.
  • a conventional, non-dedicated tugboat 44 tows a floating open structure 1 on which three wind turbines 2 are mounted. The blades of the wind turbines are folded or retracted during transport at sea.
  • the mooring system 43 is (temporary) attached to a temporary buoy 46 so that it is independent floating when it is not connected to the floating open structure 1.
  • Another non-dedicated tugboat or installation vessel 45 is used to install the mooring lines 31, by disconnecting them from the temporary buoyant structure 46, bring them to the floating open structure 1 and connect them to it (or reverse when the floating structure is disconnected from its mooring system for maintenance on shore).
  • the export cable 7 is pre-installed before arrival and connection of the floating open structure 1 and can be connected to the temporary buoy 46 as well.
  • the wind turbines are prepared for operation by expanding or unfolding them (or adding the wind turbine blades, in the case of horizontal axis windmills).
  • the non-dedicated tugboat or installation vessel 45 tows the temporary buoy 46 back to shore.
  • the non-dedicated tugboat 44 or any maintenance vessel can moor itself to the floating open structure 1, preferable downwind of the wind turbines, in a more protective landing area.
  • Figure 15 shows a step of the installation of a tendon moored floating wind energy converter.
  • the method of towing on site the floating open structure is very similar to the one described in Figure 13 .
  • temporary buoyancy elements 47 can be added to raise the center of buoyancy with regard to the the center of gravity during transportation mode.
  • the mooring system can be provided with temporary buoyancy elements 46 to keep it floating when the floating open structure 1 is not connected to it.
  • the floating open structure 1 can be ballasted during transport and/or hook-up mode, and can be partly or fully de-ballasted in operation mode.
  • the complete installation comprises the following steps:
  • Figures 16 to 19 show different steps of the installation of a weathervaning floating wind energy converter according the invention.
  • Figure 16 shows a top view of the system just when the mooring system is not connected to the floating open structure, for example during installation on site of the floating open structure 1. It is shown that the mooring system includes a pivoting connecting yoke 29 and a mooring buoy 30 which is anchored to the sea-bed with anchor points and catenary shaped anchor lines 31. In an alternative embodiment (not shown) the yoke is part of the floating open structure and not part of the mooring system.
  • the installation method comprises the following steps:
  • One of the main advantages of the system and method according to the present invention is that the system being disconnectable, the floating open structure with wind turbines can be disconnected from the mooring system and be towed to shore for repair and maintenance purposes.
  • a first floating open structure with wind turbines can be disconnected from the mooring system and tow to shore and being replaced by a second floating open structure with wind turbines connectable to the mooring system so reduce the overall off-power time, while maintenance or repair is done at the first floating open structure.
  • Another advantage is that it is possible to stop and repair a single wind turbine while the other wind turbines on the floating open structure 1 are kept in full operation. Hence, the removal and replacement of a blade and rotor part mounted at the top of a tower of a single wind turbine do not imply to stop the production.
  • FIGs 20 and 21 shows the installation of a farm of wind energy converters according to the present invention.
  • the principle is the same as what has been described for a single floating open structure.
  • the mooring systems are pre-installed as well as an export cable 33 interconnecting each pre-installed mooring system.
  • the pre-installed single-point mooring systems 53 comprise a buoy 30 anchored to the sea-bed with anchor points and catenary shaped anchor lines 31, and a turntable on which an electrical swivel 32 is placed and to which a pivoting connecting yoke 29 is attached.
  • FIG 21 multiple floating open structures 1 connected to the mooring buoys 30 are shown.
  • the wind direction is indicated with the arrow 66, and as all wind turbine systems are placed downwind with regard to their weathervaning mooring system 53, the wind turbines are placed perpendicular to the wind direction which is the optimal position.
  • An electricity cable 7 has been installed between each floating open structure and each electrical swivel 32.
  • the produced electricity is sent to a central power transformer unit 70 as indicated by arrows 60, 61 and 62.
  • the central power transformer unit 70 transforms the collected produced electricity from multiple wind energy converter systems and sent it in the most efficient way (AC or DC, depending of the length of the export cable) to the grid or to shore.
  • a wind energy converter device which device is given high stability during transport at sea and during operation. It is adaptable to all sorts of wind turbines, and moored to the seabed via well known and proven mooring systems which can be all advantageous depending on the environmental conditions and water depth of the site.
  • the installation method proposed in this patent application reduces the critical path of the installation procedure and reduces the overall cost.

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Claims (12)

  1. Schwimmende energieerzeugende Vorrichtung, die zumindest zwei Windturbinen umfasst, die auf einer schwimmenden offenen Struktur angeordnet sind, die einen Rahmen von unter Wasser verbundenen hohlen Röhren (10b, 10c, 10d) umfasst, die über ein Ankersystem mit dem Meeresboden verankert sind, wobei jede Windturbine im Betriebsmodus ein Schaufel- und Rotorbauteil umfasst, das an der Spitze eines Turmes angebracht ist und das über ein Kabel mit einem Unterwasserhochspannungsleistungsausgabekabel (33) verbunden ist zum Ausgeben der durch die zumindest zwei Windmühlen erzeugten Elektrizität, wobei das Ankersystem eine Dreheinrichtung umfasst, die sich zumindest teilweise über den Wasserspiegel erstreckt und oberhalb eines Wasserspiegels an der offenen Struktur über einen Arm derart befestigt ist, dass sich die offene Struktur um eine Rotationsachse des Ankersystems wetterfahnenartig bewegen kann, wobei das Ankersystem auf seiner Rotationsachse ein elektrisches Drehlager (32) trägt, dessen Stator mit dem Unterwasserhochspannungsleistungsausgabekabel (33) verbunden ist und dessen Rotor mit den Kabeln der Windturbinen verbunden ist, dadurch gekennzeichnet dass,
    die schwimmende offene Struktur eine zentrale Steuerleistungselektronikeinheit (8) umfasst, die auf der schwimmenden offenen Struktur angeordnet ist, welche mit den Kabeln der Windturbinen und dem Rotor des Drehlagers (32) verbunden ist, wobei die schwimmende offenen Struktur mit der Dreheinrichtung über ein drehbares Tragjoch (29) verbunden ist, das zwei miteinander verbundene Arme umfasst, die sich von räumlich getrennten Verbindungspunkten auf der offenen Struktur zu der Dreheinrichtung erstrecken, wobei die Arme einen spitzen Winkel bilden.
  2. Schwimmende energieerzeugende Vorrichtung nach Anspruch 1, dadurch gekennzeichnet dass die schwimmende offene Struktur (1) mit Ballasttanks versehen ist, welche im Transportmodus mit Ballast beladen werden.
  3. Schwimmende energieerzeugende Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet dass die zumindest zwei Windturbinen (2) mit faltbaren oder einziehbaren Schaufeln versehen sind.
  4. Schwimmende energieerzeugende Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet dass das Ausgabekabel (33) einer oder mehrerer schwimmender energieerzeugender Vorrichtungen mit dem Ausgabekabel (33) oder einer Leistungselektronikeinheit einer zentralen schwimmenden energieerzeugenden Vorrichtung verbunden ist, um eine Hochseefarm von schwimmenden energieerzeugenden Vorrichtungen zu erzeugen.
  5. Schwimmende energieerzeugende Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet dass die schwimmende offene Struktur (1) einen geschützte Landebereich für ein Wartungsschiff bereitstellt.
  6. Schwimmende energieerzeugende Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet dass die schwimmende offene Struktur (1) mit dem Arm verbunden und von diesem getrennt werden kann.
  7. Schwimmende energieerzeugende Vorrichtung nach einem der vorangehenden Ansprüche, wobei die schwimmende offene Vorrichtung (1) zumindest eine Unterwasserwellenenergie-erzeugende Vorrichtung trägt, wobei die erzeugte Leistung zu der einzelnen Steuerleistungselektronikeinheit ausgegeben wird, die ebenfalls die durch die Windmühlen erzeugte Elektrizität sammelt.
  8. Schwimmende energieerzeugende Vorrichtung nach einem der der Ansprüche 1 bis 7, wobei eine Entkopplungseinrichtung bereitgestellt wird, um die auf das Hochspannungsleistungsausgabekabel ausgeübte Belastung zu begrenzen.
  9. Schwimmende energieerzeugende Vorrichtung nach Anspruch 8, dadurch gekennzeichnet dass die Entkopplungseinrichtung eine Auftriebseinrichtung umfasst, die an dem Hochspannungsleistungsausgabekabel (33) bereitgestellt ist, so dass das Kabel eine "träge S"-Konfiguration aufweist, wenn es sich zum Meeresboden erstreckt.
  10. Schwimmende energieerzeugende Vorrichtung nach Anspruch 8, dadurch gekennzeichnet dass die Entkopplungseinrichtungen eine spiralförmige Mehrfachspulenkabeleinrichtung umfasst, die ein erstes Ende aufweist, das mit dem Hochspannungsleistungsausgabekabel (33) verbunden ist, und ein zweites Ende aufweist, das mit der zentralen Leistungselektroniksteuereinheit auf der schwimmenden offenen Struktur verbunden ist, wobei die spiralförmige Kabeleinrichtung geeignet ist, das Biegen des oberen Teils des Hochspannungsleistungsausgabekabel hauptsächlich in eine Torsion in den Spulen umzuwandeln.
  11. Schwimmende energieerzeugende Vorrichtung nach Ansprüchen 9 und 10, dadurch gekennzeichnet, dass die Entkopplungseinrichtung sowohl eine Auftriebseinrichtung an dem Hochspannungsleistungsausgabekabel (33) als auch eine spiralförmige Mehrfachspulenkabeleinrichtung umfasst, die ein erstes Ende aufweist, das mit dem Hochspannungsleistungsausgabekabel verbunden ist, und ein zweites Ende aufweist, das mit der zentralen Steuerleistungselektronikeinheit auf der schwimmenden offenen Struktur verbunden ist.
  12. Verfahren zu einer Installation einer schwimmenden energieerzeugenden Vorrichtung nach einem der Ansprüche 1 bis 11, gekennzeichnet durch die Schritte
    Vorinstallieren einer Einpunktankersystems, die einen Auftriebskörper umfasst, der mit Ankerpunkten und durchhängend geformten Ankerlinien am Meeresboden verankert ist, und eine Dreheinrichtung, an welcher ein elektrisches Drehlager angeordnet ist und an welche ein drehbares verbindendes Tragjoch angeordnet ist,
    Ziehen der schwimmenden offenen Struktur mit zumindest zwei Windturbinen zur Anlage,
    Anordnen der Verbindungspunkte der schwimmenden offenen Struktur gegenüber den Verbindungspunkten des starren drehbar verbindenden Tragjochs und Herstellen einer mechanischen Verbindung zwischen der schwimmenden offenen Struktur und dem vorinstallierten Ankersystem,
    Erzeugen einer elektrischen Verbindung zwischen einem elektrischen Kabel der Windturbine und dem Elektrizitätsausgabekabel über das elektrische Drehlager.
EP09775346.1A 2008-12-18 2009-12-18 Entfernbare offshore-windturbinen mit vorinstalliertem festmachsystem Active EP2382389B1 (de)

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PCT/NL2009/050779 WO2010071433A2 (en) 2008-12-18 2009-12-18 Removable offshore wind turbines with pre-installed mooring system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019102188A1 (en) * 2017-11-21 2019-05-31 Axis Energy Projects Group Limited Buoy and installation method for the buoy

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT2727813T (pt) 2008-04-23 2017-10-26 Principle Power Inc Resumo
AU2010235192B2 (en) * 2009-03-30 2015-10-29 Ocean Power Technologies, Inc. WEC with improved power take off apparatus
NO329254B1 (no) * 2009-07-31 2010-09-20 Uni I Stavanger Framgangsmate for forankring av flytende vindturbin samt system for anvendelse ved utovelse av framgangsmaten
GB201015218D0 (en) * 2010-09-13 2010-10-27 Aubin Ltd Method
US10107265B2 (en) * 2010-10-20 2018-10-23 Mhi Vestas Offshore Wind A/S Foundation for a wind turbine and method of making same
FR2967470B1 (fr) * 2010-11-17 2016-09-09 Ideol Installation et procede d'exploitation d'energie eolienne
DE202010016041U1 (de) * 2010-12-02 2012-03-05 Manfred Carstens Windkraftanlage und Windpark
FR2970748B1 (fr) * 2011-01-20 2016-08-12 Nass&Wind Ind Procede pour la realisation d'operations de maintenance sur un dispositif d'eolienne flottante offshore et systeme correspondant
WO2012107045A2 (en) 2011-02-10 2012-08-16 Per Uggen Anchor or mooring arrangment, for actively controlling the direction of floating foundations equipped with two or more wind turbines, in order to be able to hold or point the floating foundation into the best given direction of the wind
CN102146873B (zh) * 2011-03-31 2013-01-09 上海交通大学 具有周向稳定柱的单柱式海上风力发电装置
US8662793B2 (en) * 2011-05-20 2014-03-04 Carlos Wong Floating wind farm with energy storage facility
TW201250109A (en) * 2011-06-15 2012-12-16 Univ Nat Taiwan Deep-ocean current power plant and its construction procedure
US9169822B2 (en) * 2011-06-15 2015-10-27 National Taiwan University Deep ocean current power plant and constructing procedure thereof
US8766466B2 (en) * 2011-10-31 2014-07-01 Aquantis, Inc. Submerged electricity generation plane with marine current-driven rotors
WO2013084545A1 (ja) * 2011-12-05 2013-06-13 三菱重工業株式会社 浮体式風力発電装置および浮体式風力発電装置の係留方法
EP2604501B1 (de) * 2011-12-15 2015-02-18 Andreas Graf System und Verankerung und Anlagen von schwimmenden Windturbinentürmen und entsprechende Verfahren zum Anlegen und Ausstellen davon
FR2990477B1 (fr) * 2012-05-09 2014-04-25 IFP Energies Nouvelles Ensemble d'eoliennes offshores flottantes reliees entre elles
BR112015007904B1 (pt) * 2012-10-11 2020-12-08 Dsm Ip Assets B.V embarcação de perfuração ou produção marítima, linha de amarração de comprimento único e uso de um cabo afunilado
KR20150073203A (ko) * 2012-11-30 2015-06-30 엠에이치아이 베스타스 오프쇼어 윈드 에이／에스 부체식 풍력 발전 장치 및 그 장치의 부품 반송 방법
SE539768C2 (sv) * 2013-01-11 2017-11-21 Flowocean Ab Kraftkabelarrangemang för en offshore-vindkraftpark och ett förfarande för att montera och demontera ett kabelarrangemang
CN105026251B (zh) * 2013-01-21 2018-08-31 菱重维斯塔斯海上风力有限公司 浮体式风力发电装置的维护方法
CN103321828A (zh) * 2013-02-05 2013-09-25 杨昇 风水动能机
GR20130100211A (el) * 2013-04-10 2014-11-21 Θεμιστοκλης Ανδρεα Ανδρικοπουλος Αβυθιστη και ανεπηρεαστη απο κυματισμο πλωτη δομη-χωροδικτυωμα
PL3366567T3 (pl) 2013-05-20 2020-07-13 Principle Power, Inc. System i sposób sterowania morskimi pływającymi platformami turbin wiatrowych
DK2818395T3 (en) * 2013-06-27 2016-09-12 Alstom Renovables España S L Liquid offshore structures
CN203601542U (zh) * 2013-08-06 2014-05-21 杭州林黄丁新能源研究院有限公司 潮流发电装置及其安装框架
US9140231B1 (en) * 2013-10-07 2015-09-22 Sandia Corporation Controller for a wave energy converter
ES2440894B1 (es) * 2013-10-23 2014-11-07 Saitec, S.A. Procedimiento de fabricación de una plataforma eólica marina, plataforma resultante y sistema de aprovechamiento de energía eólica
CL2013003557A1 (es) * 2013-12-11 2015-12-18 Echeverria Ivan Dib Equipo mejorado para capturar la energia del mar
GB2521836B (en) * 2014-01-02 2020-07-29 Pliosaur Energy Ltd Hydrokinetic system
NO2776494T3 (de) * 2014-07-01 2018-09-29
DK3566941T3 (da) * 2014-10-27 2021-09-27 Principle Power Inc Forbindelsessystem til array-kabler til offshore-energiindretninger, som kan frakobles
JP6510227B2 (ja) * 2014-12-17 2019-05-08 株式会社日立製作所 風力発電システム
NO341700B1 (no) * 2015-01-28 2018-01-02 Quick Response As Flytende vindkraftverk
AU2016279059B2 (en) 2015-06-19 2021-02-04 Principle Power, Inc Floating wind turbine platform structure with optimized transfer of wave and wind loads
DE102015121371B4 (de) * 2015-12-08 2018-11-15 Aerodyn Consulting Singapore Pte Ltd Offshore-Windpark
PL417271A1 (pl) * 2016-05-20 2017-12-04 Adam Bednarczyk Żaglowa siłownia wiatrowa
DE102016118079B3 (de) * 2016-09-26 2017-09-28 Aerodyn Engineering Gmbh Mooring-Boje für eine schwimmende Windenergieanlage
US11173987B2 (en) 2016-10-18 2021-11-16 Atkins Energy, Inc. Offshore floating structures
EP3571117B1 (de) * 2017-01-19 2021-03-10 Single Buoy Moorings, Inc. Kettenplatte für einen drehturm eines schiffs
ES2694449B2 (es) * 2017-06-20 2020-06-02 Exponential Renewables S L Estructura flotante para aerogenerador marino
CN107120236B (zh) * 2017-06-22 2019-01-15 嘉兴敏实机械有限公司 一种海上风力发电机
DE102017119635B3 (de) * 2017-08-28 2018-12-20 Aerodyn Consulting Singapore Pte Ltd Elektrische Kupplung zur Anbindung einer Windenergieanlage an ein Stromnetz
US10975541B2 (en) 2017-09-05 2021-04-13 Sofec, Inc. Offshore structure mating system and installation method
NO343850B1 (en) * 2017-11-21 2019-06-24 Scana Offshore As Disconnectable turret mooring and method for connecting and disconnecting using a service vessel
DK3527821T3 (da) * 2018-02-16 2021-11-08 Siemens Gamesa Renewable Energy As Offshore-arrangement, en forbindelsesindretning og en fremgangsmåde til tilvejebringelse af en elektrisk offshore-forbindelse
BR112020024322A2 (pt) * 2018-05-31 2021-02-23 Marine Power Systems Limited aparelho de conversão de energia renovável
EP3587238A1 (de) * 2018-06-29 2020-01-01 MHI Vestas Offshore Wind A/S Spannbeinplattform
DE102018117647A1 (de) * 2018-07-20 2020-01-23 Aerodyn Consulting Singapore Pte Ltd Single-Point-Mooring-Windenergieanlage
FR3086351A1 (fr) * 2018-09-20 2020-03-27 Eolink Eolienne flottante a dynamique en lacet stable
DE102019110506A1 (de) * 2019-04-23 2020-10-29 Innogy Se Gründung eines Offshore-Bauwerks mit einem Übertragungskabel und einem Schutzelement
CN110050740B (zh) * 2019-04-28 2023-09-19 清华大学深圳研究生院 深远海浮式风光渔综合装备
JPWO2020230685A1 (de) * 2019-05-10 2020-11-19
US11225945B2 (en) 2019-05-30 2022-01-18 Principle Power, Inc. Floating wind turbine platform controlled to optimize power production and reduce loading
EP4014292A4 (de) * 2019-08-16 2023-08-30 Sub Connected AB Marines stromversorgungssystem und verteilerboje
EP3783221A1 (de) * 2019-08-22 2021-02-24 Siemens Gamesa Renewable Energy A/S Steuerungssystem zur positionierung von mindestens zwei schwimmenden windturbinen in einem windpark
GB2586799B (en) * 2019-09-03 2022-01-12 Aker Solutions As Offshore power distribution
NO345792B1 (en) * 2019-10-25 2021-08-09 Subsea 7 Norway As Generation of electrical power offshore
CN110654510A (zh) * 2019-10-30 2020-01-07 惠生（南通）重工有限公司 一种共享系泊的海上风电平台群
WO2021118798A2 (en) * 2019-11-22 2021-06-17 Triton Systems, Inc. Helical anchor group installation system
NO346008B1 (no) * 2020-03-10 2021-12-20 Flexible Floating System As Flytbar rammestruktur med hydraulisk bølgeenergigenerator og framgangsmåte for generering av energi fra bølger
NO346067B1 (en) * 2020-06-11 2022-01-31 Oddmund Vik Floating windmill
EP4168667B1 (de) * 2020-06-17 2024-05-08 Vestas Wind Systems A/S Ein kombiniertes offshore-energiesystem
GB2598616A (en) * 2020-09-04 2022-03-09 Riggmor As Floating body and mooring system
TW202323144A (zh) 2021-06-10 2023-06-16 美商特拉通系統股份有限公司 成組錨系統、海下裝設系統、其之使用及裝設的方法
EP4135137A1 (de) * 2021-08-09 2023-02-15 Siemens Gamesa Renewable Energy A/S Offshore-anordnung und verfahren zum verbinden einer schwimmenden installation einer offshore-anordnung mit mindestens einem energiekabel
CN114934873A (zh) * 2021-09-18 2022-08-23 苏州新三力风电科技有限公司 一种多叶轮风电系统用级联式浮动基础
AU2022384769A1 (en) * 2021-11-10 2024-03-14 Exponential Renewables, S.L. A quick connector coupling an offshore floating structure to a pre-laid mooring system and a method therefor
CN114382658A (zh) * 2021-12-27 2022-04-22 中国华能集团清洁能源技术研究院有限公司 一种漂浮式风电机组和海上风电系统
CN114215696A (zh) * 2021-12-27 2022-03-22 中国华能集团清洁能源技术研究院有限公司 一种组合式风电机组和海上风电系统
NO20220261A1 (en) * 2022-03-01 2023-09-04 Apl Norway As System for connecting power or fluid lines to a floating energy converter device
IT202200009917A1 (it) 2022-05-13 2023-11-13 Mc2World S R L Piattaforma galleggiante offshore per generatori eolici
EP4306400A1 (de) 2022-07-11 2024-01-17 Saitec, S.A. Transportierbare schwimmende vorrichtung zum zeitweiligen verbinden von dynamischen kabeln von windplattformen in schwimmenden windparks
NO20221210A1 (en) * 2022-11-11 2024-05-13 Odfjell Oceanwind As A floating power supply system
CN117125207A (zh) * 2023-10-24 2023-11-28 青岛恒源新电力科技有限公司 一种浮式海上风力发电平台
CN117231424B (zh) * 2023-11-13 2024-02-06 中国海洋大学 基于超低转速控制的漂浮式风机抗台风方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3224976A1 (de) * 1982-07-03 1984-01-05 Erno Raumfahrttechnik Gmbh, 2800 Bremen Windenergiekonverter im offshore-bereich
NL1006496C2 (nl) * 1997-07-07 1999-01-08 Lagerwey Windturbine B V Windmolen-eiland.
NL1008318C2 (nl) 1998-02-16 1999-08-17 Lagerwey Windturbine B V Windmolen-eiland.
EP1169570B1 (de) * 1999-03-29 2005-07-06 Hans Meier Offshore-windkraftanlage
DE20008482U1 (de) * 2000-05-11 2000-09-07 Kusan Andre Schwimmende Energieanlage für den Offshorebereich zur Gewinnung elektrischer Energie
ES2289083T3 (es) 2001-03-08 2008-02-01 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Planta de generacion de energia eolica flotante marina.
AU2003213772A1 (en) * 2002-03-08 2003-09-22 Ocean Wind Energy Systems Offshore wind turbine
US7453164B2 (en) * 2003-06-16 2008-11-18 Polestar, Ltd. Wind power system
NO20033807D0 (no) * 2003-08-27 2003-08-27 Norsk Hydro As Vindmölle for anvendelse offshore
ITBA20040027U1 (it) 2004-10-06 2005-01-06 Enertec Ag (metodo di) realizzazione di piattaforma sommergibile a spinta bloccata da utilizzarsi quale supporto per l'installazione di aerogeneratore , di elettrolizzatore per l'elettrolisi dell'acqua e di altri impianti e/o macchinari , combinata con attivita
US20060082160A1 (en) * 2004-10-14 2006-04-20 Lee Tommy L Wind powered generator platform
NO325261B1 (no) 2005-05-06 2008-03-17 Norsk Hydro As Forankringsarrangement for flytende vindturbininstallasjoner.
WO2007009464A1 (en) 2005-07-19 2007-01-25 Pp Energy Aps Plant for exploiting wind energy at sea
NO327871B1 (no) * 2007-11-19 2009-10-12 Windsea As Flytende vindkraftanordning
PT2727813T (pt) * 2008-04-23 2017-10-26 Principle Power Inc Resumo

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019102188A1 (en) * 2017-11-21 2019-05-31 Axis Energy Projects Group Limited Buoy and installation method for the buoy
US11203398B2 (en) 2017-11-21 2021-12-21 Axis Energy Projects Group Limited Buoy and installation method for the buoy

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US8729723B2 (en) 2014-05-20
ES2433590T3 (es) 2013-12-11
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